AMS Sectional Meeting Full Program
Current as of Sunday, October 30, 2011 00:27:59
Inquiries: meet@ams.org
2011 Fall Western Section Meeting
University of Utah, Salt Lake City, UT
October 2223, 2011 (Saturday  Sunday)
Meeting #1075
Associate secretaries:
Michel L Lapidus, AMS lapidus@math.ucr.edu, lapidus@mathserv.ucr.edu
Saturday October 22, 2011

Saturday October 22, 2011, 7:30 a.m.4:00 p.m.
Book Sale and Exhibit
Room 228, JWB John Widtsoe Building 
Saturday October 22, 2011, 7:30 a.m.4:00 p.m.
Meeting Registration
Mathematics Department Office Room 233, JWB John Widtsoe Building 
Saturday October 22, 2011, 8:00 a.m.10:50 a.m.
Special Session on Category Theory in Graphs, Geometry and Inverse Problems, I
Room 310, AEB Alfred Emery Building
Organizers:
Robert Owczarek, Enfitec, Inc. owczarek@hughes.net
Hanna Makaruk, Los Alamos National Laboratory NM

8:00 a.m.
Noncommutative worlds and discrete physics.
Louis H Kauffman*, University of Illinois at Chicago
(10758154) 
9:00 a.m.
Homology of distributive lattices: splitting chain complexes.
Jozef H. Przytycki*, George Washington University and UG
Krzysztof Putyra, Columbia University
(10755777) 
9:30 a.m.
Homology of distributive lattices: MayerVietoris type sequences.
Krzysztof K Putyra*, Columbia University
Jozef H Przytycki, George Washington University & Gdansk University
(107518143) 
10:00 a.m.
Homology of a small category with functor coefficients and barycentric subdivision.
Jing Wang*, George Washington University
(107557127) 
10:30 a.m.
Matching problems with compact externalities: a stability analysis.
Simina Branzei*, Aarhus University
Tomasz Michalak, University of Warsaw
Talal Rahwan, University of Southampton
Kate Larson, University of Waterloo
Nicholas Jennings, University of Southampton
(10756858)

8:00 a.m.

Saturday October 22, 2011, 8:00 a.m.10:40 a.m.
Special Session on Celestial and Geometric Mechanics, I
Room 208, JWB John Widtsoe Building
Organizers:
Lennard Bakker, Brigham Young University bakker@math.byu.edu
Tiancheng Ouyang, Brigham Young University

8:00 a.m.
Minimizing orbits in the equal mass 3body problem as seen on the shape sphere.
Elizabeth Zollinger*, Hiram College
(107570100) 
9:00 a.m.
A new family of linearly stable periodic simultaneous binary collision orbits in the twodimensional fourbody problem.
Skyler C Simmons*, Brigham Young University, Provo UT
(10757070) 
10:00 a.m.
Golden ratio and super central configurations of $N$body problem.
Zhifu Xie*, Virginia State University
(10753739)

8:00 a.m.

Saturday October 22, 2011, 8:00 a.m.10:50 a.m.
Special Session on Commutative Algebra, I
Room 320, AEB Alfred Emery Building
Organizers:
ChinYi Jean Chan, Central Michigan University chan1cj@cmich.edu
Lance E. Miller, University of Utah lmiller@math.utah.edu
Anurag K. Singh, University of Utah singh@math.utah.edu

8:00 a.m.
Homological invariants of modules over contracting endomorphisms.
Luchezar L Avramov, University of Nebraska, Lincoln
Melvin Hochster, University of Michigan, Ann Arbor
Srikanth B Iyengar*, University of Nebraska, Lincoln
Yongwei Yao, Georgia State University, Atlanta
(107513122) 
8:30 a.m.
Duality for Koszul homology over Gorenstein rings.
Claudia Miller*, Syracuse University
Hamid Rahmati, Syracuse University
Janet Striuli, Fairfield University
(107513193) 
9:00 a.m.
Building modules over a local ring from its singular locus.
Lars Winther Christensen*, Texas Tech University
Jesse Burke, University of Bielefeld
(107513180) 
9:30 a.m.
On the index of numerical semigroup rings of embedding dimension three.
Oana Veliche*, Northeastern University
(107513121) 
10:00 a.m.
Applications of commutative algebra to problems in linear algebra.
Chris Peterson*, Department of Mathematics, Colorado State University
(107513183) 
10:30 a.m.
Implementation of Kumar's correspondence.
Hirotachi Abo*, University of Idaho
Chris Peterson, Colorado State University
(107513140)

8:00 a.m.

Saturday October 22, 2011, 8:00 a.m.10:40 a.m.
Special Session on Geometric Evolution Equations and Related Topics, I
Room 215, LCB LeRoy Cowles Building
Organizers:
Andrejs Treibergs, University of Utah Salt Lake City treiberg@math.utah.edu
Lei Ni, University of California San Diego lni@mathl.ucsd.edu
Brett Kotschwar, Arizona State University kotschwar@math.mit.edu

8:00 a.m.
Sasaki Ricci flow and compact Sasaki manifolds with positive transverse bisectional curvature.
Weiyong He*, University of Oregon
(10755360) 
9:00 a.m.
Prescribed Ricci curvature on a solid torus.
Artem Pulemotov*, The University of Chicago
(10755308) 
10:00 a.m.
Curvature pinching and singularities of the Ricci flow.
Xiaodong Cao*, Cornell University
(107553141)

8:00 a.m.

Saturday October 22, 2011, 8:00 a.m.10:40 a.m.
Special Session on Harmonic Analysis and Dispersive Partial Differential Equations, I
Room 320, JTB James Talmage Building
Organizers:
Xiaoyi Zhang, University of Iowa xiaozhang@math.uiowa.edu
Monica Visan, University of California Los Angeles
Betsy Stovall, University of California Los Angeles

8:00 a.m.
Oscillatory integrals related to eigenfunction and Strichartz estimates on compact manifolds.
Zaher Hani*, Courant Institute of Mathematical Sciences
(107542131) 
9:00 a.m.
On Strichartz and local smoothing estimates in exterior domains.
Matthew D Blair*, University of New Mexico
(10753520) 
10:00 a.m.
Dispersive estimates for Schrödinger operators in dimension two with obstructions at zero energy.
M Burak Erdo\smash{ğ}an, University of Illinois at UrbanaChampaign
William R Green*, Eastern Illinois University
(10753521)

8:00 a.m.

Saturday October 22, 2011, 8:00 a.m.10:40 a.m.
Special Session on Hypergeometric Functions and Differential Equations, I
Room 323, LCB LeRoy Cowles Building
Organizers:
Laura F. Matusevich, Texas A&M University laura@math.tamu.edu
Christine Berkesch, Stockholm University cberkesc@math.su.se

8:00 a.m.
Composition series for $A$hypergeometric $D$modules.
Alan C Adolphson*, Oklahoma State University
Steven Sperber, University of Minnesota
(107533197) 
9:00 a.m.
Hypergeometric systems and singularities.
Uli Walther*, Purdue University
(10751459) 
10:00 a.m.
The better behaved version of the GKZ hypergeometric system.
Lev A Borisov, Rutgers University
R Paul Horja*, Oklahoma State University
(107514206)

8:00 a.m.

Saturday October 22, 2011, 8:00 a.m.11:00 a.m.
Special Session on Inverse Problems and Homogenization, I
Room 130, JTB James Talmage Building
Organizers:
Elena Cherkaev, University of Utah elena@math.utah.edu
Fernando Guevara Vasquez, University of Utah fguevara@math.utah.edu

8:00 a.m.
Twoparameter integral representation formula for the effective elastic moduli of twophase composites.
M. Yvonne Ou*, Department of Mathematical Sciences, University of Delaware,
(107574126) 
8:30 a.m.
From homogenization with non separated scales to discrete geometric structures in inverse homogenization.
Houman Owhadi*, Caltech
(10753546) 
9:00 a.m.
Homogenization of a nonlocal electrostatic equation.
Niklas Wellander*, Swedish Defence Research Agency, FOI and Lund University
(10753531) 
9:30 a.m.
Deconvolution closure for spatially averaged dynamics of particle systems.
Alexander Panchenko*, Washington State University
(10757097) 
10:00 a.m.
Inverse born series for the Calderon problem.
Shari Moskow*, Drexel University
(107535205) 
10:30 a.m.
Discussion

8:00 a.m.

Saturday October 22, 2011, 8:00 a.m.10:50 a.m.
Special Session on Recent Progress in Numerical Partial Differential Equations, I
Room 120, JTB James Talmage Building
Organizers:
Jichun Li, University of Nevada, Las Vegas jichun@unlv.nevada.edu
ShueSum Chow, Brigham Young University

8:00 a.m.
Numerical implementation of volatility boundary conditions in stochastic volatility models.
Jingyi Zhu*, Department of Mathematics, University of Utah
(107535232) 
8:30 a.m.
Finite element techniques for prefractal problems.
Emily J Evans*, Brigham Young University
(107535188) 
9:00 a.m.
Approximating Indefinite Convolutions.
Frank Stenger*, University of Utah
(107565224) 
10:00 a.m.
Numerical analysis for the relaxation of a nonlocal AllenCahn equation.
Jianlong Han, Southern Utah University
Sarah M Brown*, Southern Utah University
(10756588) 
10:30 a.m.
Parallel fluidstructure interaction algorithms for simulation of blood flow in artery.
XiaoChuan Cai*, University of Colorado at Boulder
(10756594)

8:00 a.m.

Saturday October 22, 2011, 8:00 a.m.10:50 a.m.
Special Session on Reductive Groups and Hecke Algebras, I
Room 219, LCB LeRoy Cowles Building
Organizers:
Dan Ciubotaru, University of Utah ciubo@math.utah.edu
Cathy Kriloff, Idaho State University krilcath@isu.edu
Peter Trapa, University of Utah ptrapa@math.utah.edu

8:00 a.m.
Weil representation and Hecke algebras for metaplectic groups.
Gordan Savin*, University of Utah
Wee teck Gan, National University of Singapore
(10752222) 
8:30 a.m.
Generalized exponents.
Bogdan Ion*, University of Pittsburgh
(10751740) 
9:00 a.m.
Absolute Galois group computation.
Christopher L Kocs*, University of Utah
(107505190) 
9:30 a.m.
Generalizing Springer's representation to Hessenberg varieties.
Julianna Tymoczko*, University of Iowa
(107505241) 
10:00 a.m.
A skein theoretic approach to KazhdanLusztig representations of the symmetric group.
Matthew L Housley*, Brigham Young University
(107522240) 
10:30 a.m.
Equivariant Ktheory of generalized Hecke algebras and affine Hecke algebras.
J. Matthew Douglass*, University of North Texas
(107520103)

8:00 a.m.

Saturday October 22, 2011, 8:30 a.m.10:50 a.m.
Special Session on Applied Analysis, I
Room 310, JTB James Talmage Building
Organizers:
Marian Bocea, Loyola University Chicago mbocea@luc.edu
Mihai Mihailescu, University of Craiova Romania mmihailes@yahoo.com

8:30 a.m.
On the problem of characterizing the minimizers of the Aviles Giga functional.
Andrew Lorent*, University of Cincinnati
(10754961) 
9:00 a.m.
On instabilities of smooth phase boundaries in nonlinearly elastic solids.
Yury Grabovsky*, Temple University
Vladislav A Kucher, Institute of Mechanical Engineering, Russia
Lev Truskinovsky, Ecole Polytechnique, France
(107574119) 
9:30 a.m.
A variational approach for exposure bracketed images.
Marcelo Bertalmío, Universitat Pompeu Fabra
Stacey Levine*, Duquesne University
(107549210) 
10:00 a.m.
Comparison of variational models for denoising of images.
Rustum Choksi, McGill University, Montreal (CA)
Irene Fonseca, Carnegie Mellon University, Pittsburgh
Barbara Zwicknagl*, Carnegie Mellon University, Pittsburgh
(107549170) 
10:30 a.m.
Optimal threematerial wheel assemblage of conducting and elastic composites.
Andrej Cherkaev*, Department of mathematics, University of Utah
(107535229)

8:30 a.m.

Saturday October 22, 2011, 8:30 a.m.10:50 a.m.
Special Session on Geometric, Combinatorial, and Computational Group Theory, I
Room 350, AEB Alfred Emery Building
Organizers:
Eric Freden, Southern Utah University freden@suu.edu
Eric Swenson, Brigham Young University

8:30 a.m.
On restricting free factors in relatively free groups.
Lucas Sabalka*, Binghamton University
Dmytro Savchuk, Binghamton University
(107520142) 
9:00 a.m.
Automorphisms of graph products.
Kim Ruane*, Tufts Univeristy
Adam Piggott, Bucknell University
Genevieve Walsh, Tufts University
(107520216) 
9:30 a.m.
On the spectrum and length spectrum of hyperbolic manifolds.
Dubi Kelmer*, Boston College
(10752298) 
10:00 a.m.
Local topology of boundaries for CAT(0) spaces with isolated flats.
Chris Hruska*, University of WisconsinMilwaukee
Kim Ruane, Tufts University
(107520242) 
10:30 a.m.
Bounding surface actions on Gromovhyperbolic spaces.
Josh Barnard*, University of South Alabama
(107520172)

8:30 a.m.

Saturday October 22, 2011, 8:30 a.m.10:50 a.m.
Special Session on Noncommutative Geometry and Algebra, I
Room 225, LCB LeRoy Cowles Building
Organizers:
Kenneth R. Goodearl, University of California Santa Barbara goodearl@math.ucsb.edu
Milen Yakimov, Louisiana State University yakimov@math.lsu.edu

8:30 a.m.
The noetherian property for naive blowup algebras in positive characteristic.
Boris Adamczewski, Universite de Lyon
Jason P Bell*, Simon Fraser University
(107516148) 
9:00 a.m.
Quotients of Koszul algebras and 2ddetermined algebras.
Thomas Cassidy*, Bucknell University
Christopher Lee Phan, Bucknell University
(107516146) 
9:30 a.m.
Support varieties and cohomology for modules over quantum groups.
Daniel K. Nakano*, University of Georgia
(10752063) 
10:00 a.m.
pLie algebras and modules of constant Jordan type.
Eric M Friedlander, Northwestern/University of Southern California
Julia Pevtsova*, University of Washington
(107516107) 
10:30 a.m.
Elementary subalgebras of Lie algebras.
Eric M. Friedlander*, University of Souther California
Julia Pevtsova, University of Washington
(107517124)

8:30 a.m.

Saturday October 22, 2011, 9:00 a.m.10:40 a.m.
Special Session on Algebraic Geometry, I
Room 121, LCB LeRoy Cowles Building
Organizers:
Tommaso de Fernex, University of Utah defernex@math.utah.edu
Christopher Hacon, University of Utah hacon@math.utah.edu

9:00 a.m.
Local zeta functions of hyperplane arrangements.
Nero Budur*, University of Notre Dame
(107514133) 
10:00 a.m.
Rigid curves on $\overline{M}_{0,n}$ and arithmetic breaks.
AnaMaria Castravet*, Ohio State University
Jenia Tevelev, University of Massachusetts Amherst
(107514150)

9:00 a.m.

Saturday October 22, 2011, 9:00 a.m.10:50 a.m.
Special Session on Computational and Algorithmic Algebraic Geometry, I
Room 340, AEB Alfred Emery Building
Organizers:
Zach Teitler, Boise State University zteitler@boisestate.edu
Jim Wolper, Idaho State University wolpjame@isu.edu

9:00 a.m.
Degenerations of irrational Toric varieties.
Frank Sottile*, Texas A&M University
Elisa Postinghel, CMA, University of Oslo
Nelly Villamizar, CMA, University of Oslo
(107514199) 
9:30 a.m.
Wachspress varieties.
Corey F Irving*, Texas A&M University
(10751455) 
10:00 a.m.
The monotone secant conjecture in the real Schubert calculus.
Jonathan D. Hauenstein, Texas A&M University
Nickolas Hein, Texas A&M University
Christopher J. Hillar, Mathematical Sciences Research Institute
Abraham Martin del Campo*, Texas A&M University
Frank Sottile, Texas A&M University
Zach Teitler, Boise State University
(10751447) 
10:30 a.m.
Beyond the Shapiro conjecture and EremenkoGabrielov lower bounds.
Jonathan Hauenstein, Texas A&M University
Nickolas Hein*, Texas A&M University
Abraham Martin del Campo, Texas A&M University
Frank Sottile, Texas A&M University
James Ruffo, State University of New York, College at Oneonta
Frank Sottile, Texas A&M University
Zach Teitler, Boise State University
(107514155)

9:00 a.m.

Saturday October 22, 2011, 9:00 a.m.10:50 a.m.
Special Session on Nonlinear Waves, I
Room 110, JTB James Talmage Building
Organizers:
ZhiQiang Wang, Utah State University ZhiQiang.Wang@usu.edu
Nghiem Nguyen, Utah State University nghiem.nguyen@usu.edu

9:30 a.m.
Wellposedness of boundaryvalue problems for the linear BenjaminBonaMahony equation.
Vishal Vasan*, Department of Applied Mathematics, University of Washington
Bernard Deconinck, Department of Applied Mathematics, University of Washington
(10753569) 
10:00 a.m.
Wellposedness for systems of coupled BBMequations.
Hongqiu Chen*, University of Memphis
Jerry L. Bona, University of Illinois at Chicago
(107535145) 
10:30 a.m.
Comparison between Boussinesq system and KP equation.
Min Chen*, Purdue University
(107535114)

9:30 a.m.

Saturday October 22, 2011, 9:00 a.m.10:50 a.m.
Special Session on Understanding Biofluids via Modeling, Simulation and Analysis, I
Room 333, JWB John Widtsoe Building
Organizers:
Christel Hohenegger, University of Utah choheneg@math.utah.edu

9:00 a.m.
Hydrodynamic interactions of hyperactivated sperm.
Sarah D Olson*, Worcester Polytechnic Institute
Lisa J Fauci, Tulane University
(10757679) 
9:30 a.m.
Biological and bioinspired locomotion in viscous fluids: from spermatozoa to synthetic microswimmers.
On Shun Pak*, Department of Mechanical and Aerospace Engineering University of California, San Diego
Saverio Eric Spagnolie, Division of Engineering, Brown University
Wei Gao, Department of Nanoengineering, University of California San Diego
Joseph Wang, Department of Nanoengineering, University of California San Diego
Eric Lauga, Department of Mechanical and Aerospace Engineering, University of California San Diego
(107592243) 
10:00 a.m.
Multiscale computation of Cytoskeleton mechanics.
Jennifer J. Young*, Rice University
Sorin Mitran, University of North Carolina at Chapel Hill
(107592173) 
10:30 a.m.
A stochastic multiscale model of fibrinolysis.
Brittany E. Bannish*, University of Utah
Aaron L. Fogelson, University of Utah
James P. Keener, University of Utah
(107592118)

9:00 a.m.

Saturday October 22, 2011, 11:10 a.m.12:00 p.m.
Invited Address
Metamaterials: High contrast composites with unusual properties.
Room 335, JWB John Widtsoe Building
Graeme Milton*, University of Utah
(10753501) 
Saturday October 22, 2011, 2:00 p.m.2:50 p.m.
Invited Address
Dispersive partial differential equations at critical regularity.
Room 335, JWB John Widtsoe Building
Monica Visan*, University of California Los Angeles
(10753502) 
Saturday October 22, 2011, 3:00 p.m.5:40 p.m.
Special Session on Algebraic Geometry, II
Room 121, LCB LeRoy Cowles Building
Organizers:
Tommaso de Fernex, University of Utah defernex@math.utah.edu
Christopher Hacon, University of Utah hacon@math.utah.edu

3:00 p.m.
Open orbifold GW invariants.
Renzo Cavalieri*, Colorado State University
Dustin Ross, Colorado State University
(10751482) 
4:00 p.m.
Bogomolovtype inequalities in higher dimension.
Emanuele Macri*, Ohio State University
(10751453) 
5:00 p.m.
The geometry of the ball quotient model of the moduli space of genus four curves.
S. CasalainaMartin*, University of Colorado
(10751448)

3:00 p.m.

Saturday October 22, 2011, 3:00 p.m.5:20 p.m.
Special Session on Applied Analysis, II
Room 310, JTB James Talmage Building
Organizers:
Marian Bocea, Loyola University Chicago mbocea@luc.edu
Mihai Mihailescu, University of Craiova Romania mmihailes@yahoo.com

3:00 p.m.
Advances in multiscale modeling of grain growth in polycrystals.
Maria Emelianenko*, George Mason University
(10753571) 
3:30 p.m.
The nearcloak defeats the anticloak.
Daniel T Onofrei*, University of Houston
Andrew Thaler, University of Utah
(107578177) 
4:00 p.m.
Analytical aspects in the theory of free liquid fibers and sheets.
Thomas Hagen*, The University of Memphis
(107576169) 
4:30 p.m.
Regularity for a model of collisionless plasma in low dimension.
Stephen Pankavich*, United States Naval Academy
(107535238) 
5:00 p.m.
On Differential Equations with Constraints.
Nicolae Tarfulea*, Purdue University Calumet
(10753578)

3:00 p.m.

Saturday October 22, 2011, 3:00 p.m.5:50 p.m.
Special Session on Category Theory in Graphs, Geometry and Inverse Problems, II
Room 310, AEB Alfred Emery Building
Organizers:
Robert Owczarek, Enfitec, Inc. owczarek@hughes.net
Hanna Makaruk, Los Alamos National Laboratory NM

3:00 p.m.
On the geometry of a moving singularity.
Leonardo Traversoni*, Universidad Autonoma Metropolitana (Iztapalapa)
(107518106) 
4:00 p.m.
Particle lag instability.
Peter Vorobieff*, The University of New Mexico
Michael Anderson, The University of New Mexico
Joseph Conroy, The University of New Mexico
Ross White, The University of New Mexico
Patrick Wayne, The University of New Mexico
Sanjay Kumar, The University of Texas  Brownsville
C. Randall Truman, The University of New Mexico
(107576228) 
4:30 p.m.
The geometry of the Taylor problem in plasma physics.
Jason Parsley*, Wake Forest University
(107553209) 
5:00 p.m.
Recent results in fluid mechanics.
Robert M Owczarek*, Enfitek, Inc. and University of New Mexico
(107576191) 
5:30 p.m.
Spherical geometry of $\mathcal{D}^s(M)/\mathcal{D}^s_\mu(M)$.
Gerard Misiolek*, University of Notre Dame
(10755849)

3:00 p.m.

Saturday October 22, 2011, 3:00 p.m.5:40 p.m.
Special Session on Celestial and Geometric Mechanics, II
Room 208, JWB John Widtsoe Building
Organizers:
Lennard Bakker, Brigham Young University bakker@math.byu.edu
Tiancheng Ouyang, Brigham Young University

3:00 p.m.
Symbolic dynamics in a restricted planar 4body problem.
Antonio Garcia*, UAMI
Martha Alvarez, UAMI
(107537117) 
4:00 p.m.
HamiltonJacobi theory of orthogonal separation of variables on spaces of constant curvature.
Roman Smirnov*, Dalhousie University
Ray McLenaghan, University of Waterloo
Caroline Cochrane, Dalhousie University
(107553219) 
5:00 p.m.
Relative equilibria with one or two concentric polygons in the Nvortex problem.
Ernesto A Lacomba*, University Autonoma Metropolitana, Mexico City
Martin Celli, University Autonoma Metropolitana, Mexico City
Ernesto PérezChavela, University Autonoma Metropolitana, Mexico City
(107537227)

3:00 p.m.

Saturday October 22, 2011, 3:00 p.m.5:50 p.m.
Special Session on Commutative Algebra, II
Room 320, AEB Alfred Emery Building
Organizers:
ChinYi Jean Chan, Central Michigan University chan1cj@cmich.edu
Lance E. Miller, University of Utah lmiller@math.utah.edu
Anurag K. Singh, University of Utah singh@math.utah.edu

3:00 p.m.
Regularity bounds for graph ideals.
Craig Huneke*, University of Kansas
Hailong Dao, University of Kansas
Jay Schweig, University of Kansas
(10751329) 
3:30 p.m.
CohenMacaulay Toric Rings Arising from Finite Graphs.
Augustine B O'Keefe*, Tulane University
Huy TÃ i HÃ, Tulane University
(107513111) 
4:00 p.m.
Betti numbers of affine monomial curves.
Hema Srinivasan*, University of Missouri, Columbia.
(10751334) 
4:30 p.m.
Asymptotic growth of saturated powers and epsilon multiplicity.
Steven Dale Cutkosky*, Dept. Math., Univ. Missouri
(10751333) 
5:00 p.m.
Ideals with large projective dimension and Stillman's question.
Jesse Beder, University of Illinois at UrbanaChampaign
Jason McCullough*, University of California, Riverside
Luis NunezBetancourt, University of Michigan
Alexandra Seceleanu, University of Nebraska
Bart Snapp, Ohio State University
Branden Stone, University of Kansas
(107513136) 
5:30 p.m.
Tautological part of $K$theory of projective toric varieties.
Joseph Gubeladze*, San Francisco State University
(107514149)

3:00 p.m.

Saturday October 22, 2011, 3:00 p.m.5:50 p.m.
Special Session on Computational and Algorithmic Algebraic Geometry, II
Room 340, AEB Alfred Emery Building
Organizers:
Zach Teitler, Boise State University zteitler@boisestate.edu
Jim Wolper, Idaho State University wolpjame@isu.edu

3:00 p.m.
Implicitization of surfaces via geometric tropicalization.
Maria Angelica Cueto*, Columbia University
(10751465) 
3:30 p.m.
$\mu$Basis of rational space curves of type (1; 1; d2) and minimal generators for the associated Rees algebra.
Haohao Wang*, Southeast Missouri State University
(10751417) 
4:00 p.m.
Classification of 7 and 8 dimensional soliton Nilpotent Lie algebras.
Hulya Kadioglu*, Idaho Falls, ID
Tracy L. Payne, Idaho State University
(10755138) 
4:30 p.m.
Equation of genur 3 hyperelliptic curves over their minimal field of definition.
Valmira Hoxha*, Department of Mathematics and Statistics, Oakland University, Rochester, MI, 48386.
(10751411) 
5:00 p.m.
Vanishing theta nulls of algebraic curves.
Tony Shaska*, Oakland University
(10751412) 
5:30 p.m.
Theta functions with halfinteger rational characteristics for genus three curves.
Lubjana Beshaj*, Department of Mathematics and Statistics, Oakland University, Rochester, MI, 48386.
(10751410)

3:00 p.m.

Saturday October 22, 2011, 3:00 p.m.5:50 p.m.
Special Session on Electromagnetic Wave Propagation in Complex and Random Environments, I
Room 140, JTB James Talmage Building
Organizers:
David Dobson, University of Utah
Peijun Li, Purdue University lipeijun@math.purdue.edu

3:00 p.m.
Efficient and stable spectral methods for Scoustic and electromagnetic scattering.
Jie Shen*, Purdue University
(107565247) 
3:30 p.m.
Timedomain finite element modeling of wave propagation in metamaterials.
Jichun Li*, University of Nevada Las Vegas
(107565130) 
4:00 p.m.
Active manipulation of fields.
Daniel Onofrei*, University of Houston
Kui Ren, UT Austin
(107578178) 
4:30 p.m.
Enhance approximate cloaking by SH and FSH lining.
Hongyu Liu*, Department of Mathematics and Statistics, University of North Carolina, Charlotte
(107578154) 
5:00 p.m.
Some mathematical problems in a neoclassical theory of electric charges.
Alexander Figotin*, University of California at Irvine
(10757851) 
5:30 p.m.
Scattering and resonances of thin high contrast dielectric structures.
Shari Moskow*, Drexel University
(107535204)

3:00 p.m.

Saturday October 22, 2011, 3:00 p.m.5:40 p.m.
Special Session on Geometric Evolution Equations and Related Topics, II
Room 215, LCB LeRoy Cowles Building
Organizers:
Andrejs Treibergs, University of Utah Salt Lake City treiberg@math.utah.edu
Lei Ni, University of California San Diego lni@mathl.ucsd.edu
Brett Kotschwar, Arizona State University kotschwar@math.mit.edu

3:00 p.m.
Moduli spaces of nilsolitons.
Tracy L. Payne*, Idaho State University
(107553105) 
4:00 p.m.
A metric hodge theory for Alexandrov spaces with curvature bounded above.
Nathan Smale*, University of Utah
(107558139) 
5:00 p.m.
Comparison theorems, geometric flows, and conservation laws in $p$harmonic geometry.
Shihshu Walter Wei*, The University of Oklahoma, Department of Mathematics, Norman, OK 73019, U.S.A.
(10755326)

3:00 p.m.

Saturday October 22, 2011, 3:00 p.m.5:40 p.m.
Special Session on Harmonic Analysis and Dispersive Partial Differential Equations, II
Room 320, JTB James Talmage Building
Organizers:
Xiaoyi Zhang, University of Iowa xiaozhang@math.uiowa.edu
Monica Visan, University of California Los Angeles
Betsy Stovall, University of California Los Angeles

3:00 p.m.
The energycritical NLS in the Torus and related spaces.
Benoit Pausader*, CIMS, NYU
(107535123) 
4:00 p.m.
On the uniqueness of solutions to the 3D periodic GrossPitaevskii hierarchy.
Vedran Sohinger*, University of Pennsylvania
Gigliola Staffilani, Massachusetts Institute of Technology, Mathematics Dept.
(10753586) 
5:00 p.m.
A remark on the two dimensional water wave problem with surface tension.
Markus Keel, Department of Mathematics, The university of Minnesota
Shuanglin Shao*, Department of Mathematics, The university of Kansas
(10753593)

3:00 p.m.

Saturday October 22, 2011, 3:00 p.m.5:40 p.m.
Special Session on Hypergeometric Functions and Differential Equations, II
Room 323, LCB LeRoy Cowles Building
Organizers:
Laura F. Matusevich, Texas A&M University laura@math.tamu.edu
Christine Berkesch, Stockholm University cberkesc@math.su.se

3:00 p.m.
On analytic complexity of special functions.
Timur Sadykov*, Russian State University of Trade and Economics, Moscow, Russia
(107530151) 
4:00 p.m.
Slopes for Hypergeometric Functions.
Steven Sperber*, University of Minnesota
(107514102) 
5:00 p.m.
K3 modular parametrization and CalabiYau threefold variations.
Adrian Clingher, University of Missouri, St. Louis
Charles F. Doran*, University of Alberta
Jacob Lewis, University of Vienna
Andrey Novoseltsev, University of Alberta
(107514207)

3:00 p.m.

Saturday October 22, 2011, 3:00 p.m.6:00 p.m.
Special Session on Inverse Problems and Homogenization, II
Room 130, JTB James Talmage Building
Organizers:
Elena Cherkaev, University of Utah elena@math.utah.edu
Fernando Guevara Vasquez, University of Utah fguevara@math.utah.edu

3:00 p.m.
Resistor networks and optimal grids for electrical impedance tomography with partial boundary measurements.
Alexander V Mamonov*, University of Texas at Austin
Liliana Borcea, Rice University
Vladimir Druskin, Schlumberger Doll Research Center
Fernando Guevara Vasquez, University of Utah
(10756599) 
3:30 p.m.
Solution of the timedomain inverse resistivity problem in the model reduction framework.
Mikhail Y Zaslavsky*, SchlumbergerDoll Research
Vladimir L Druskin, SchlumbergerDoll Research
Valeria Simoncini, University of Bologna, Italy
(107565195) 
4:00 p.m.
Conductivity reconstruction using hybrid modalities with synthetic focusing.
Leonid Kunyansky*, University of Arizona
(10753557) 
4:30 p.m.
Some mathematical problems of thermoacoustic tomography.
Linh V Nguyen*, Department of Mathematics, University of Idaho
(107535116) 
5:00 p.m.
Modeling polarizationresolved measurements of light scattered by tissues.
Arnold D Kim*, University of California, Merced
(10757844) 
5:30 p.m.
Discussion

3:00 p.m.

Saturday October 22, 2011, 3:00 p.m.5:50 p.m.
Special Session on Noncommutative Geometry and Algebra, II
Room 225, LCB LeRoy Cowles Building
Organizers:
Kenneth R. Goodearl, University of California Santa Barbara goodearl@math.ucsb.edu
Milen Yakimov, Louisiana State University yakimov@math.lsu.edu

3:00 p.m.
Values of FrobeniusSchur indicators for Hopf algebras.
M. Susan Montgomery*, University of Southern California
(10751673) 
3:30 p.m.
On the integrality of the Frobenius Schur indicators of tensor categories.
Miodrag Cristian Iovanov*, University of Southern California and University of Bucharest
Susan Montgomery, University of Southern California
(10752016) 
4:00 p.m.
LieDeltaalgebras.
James J Zhang*, University of Washington
(10751627) 
4:30 p.m.
Quantum matrices by paths.
Karel Casteels*, University of California, Santa Barbara
(107516220) 
5:00 p.m.
Torusinvariant prime spectrum of an affine quantum nilpotent Lie algebra.
Christopher R. Nowlin*, Laurel, MD
(107516132) 
5:30 p.m.
The FRTConstruction via quantum Affine algebras and smash products.
Garrett Johnson*, North Carolina State University
Chris Nowlin, University of California, Santa Barbara
(10751774)

3:00 p.m.

Saturday October 22, 2011, 3:00 p.m.5:50 p.m.
Special Session on Nonlinear Waves, II
Room 110, JTB James Talmage Building
Organizers:
ZhiQiang Wang, Utah State University ZhiQiang.Wang@usu.edu
Nghiem Nguyen, Utah State University nghiem.nguyen@usu.edu

3:00 p.m.
Stability of solitary waves for a KdVNLS system.
John Albert*, University of Oklahoma
Santosh Bhattarai, University of Oklahoma
(107535225) 
3:30 p.m.
The HirotaSatsuma equation as a model for shallow water waves.
Jerry L. Bona*, University of Illinois at Chicago
(107576144) 
4:00 p.m.
Kinematics & Stability of Solutions to the Serre Equations.
John Carter*, Seattle University
Rodrigo Cienfuegos, Pontificia Universidad Catolica de Chile
(107535211) 
4:30 p.m.
Global regularity for the 2D anisotropic Boussinesq equations with vertical dissipation.
Chongsheng Cao, Florida International University
Jiahong Wu*, Oklahoma State University
(10753552) 
5:30 p.m.
Discussion

3:00 p.m.

Saturday October 22, 2011, 3:00 p.m.5:50 p.m.
Special Session on Recent Progress in Numerical Partial Differential Equations, II
Room 120, JTB James Talmage Building
Organizers:
Jichun Li, University of Nevada, Las Vegas jichun@unlv.nevada.edu
ShueSum Chow, Brigham Young University

3:00 p.m.
A reduced basis method for multiple electromagnetic scattering.
Mahadevan Ganesh*, Colorado School of Mines
(10753592) 
4:00 p.m.
A leapfrog discontinuous Galerkin method for the timedomain Maxwell's equations in metamaterials.
Jichun Li, Dept of mathematical sciences, University of Nevada Las Vegas
Jiajia Wang*, Dept of mathematical sciences, University of Nevada Las Vegas
Eric Machorro, National Security Technologies, LLC, P.O. Box 98521, MS NLV 070, Las Vegas, NV 891938521
(107565129) 
4:30 p.m.
Numerical approximation of scalar conservation law with hysteresis, relaxation, and doubleporosity.
Malgorzata Peszynska*, Department of Mathematics, Oregon State University
(107565175) 
5:30 p.m.
Wellbalanced positivity preserving centralupwind scheme on triangular grids for the SaintVenant system.
Yekaterina Epshteyn*, University of Utah
S. Bryson, NASA Ames Research Center
A. Kurganov, Tulane University
G. Petrova, Texas A&M University
(107565128)

3:00 p.m.

Saturday October 22, 2011, 3:00 p.m.6:20 p.m.
Special Session on Reductive Groups and Hecke Algebras, II
Room 219, LCB LeRoy Cowles Building
Organizers:
Dan Ciubotaru, University of Utah ciubo@math.utah.edu
Cathy Kriloff, Idaho State University krilcath@isu.edu
Peter Trapa, University of Utah ptrapa@math.utah.edu

3:00 p.m.
Meromorphic continuation of KloostermanSelberg Zeta functions associated to noncompact finite volume rank 1 symmetric spaces.
Nolan Wallach*, University of California, San Diego
Roberto Miatello, National University of Cordoba
(107511137) 
3:30 p.m.
Korbits on the flag variety and the geometry of GelfandZeitlin fibers.
Mark Colarusso*, Idaho State University
Sam Evens, University of Notre Dame
(107522161) 
4:00 p.m.
Classic and mirabolic RobinsonSchenstedKnuth correspondence for partial flags.
Daniele Rosso*, The University of Chicago
(10751409) 
4:30 p.m.
Graham's variety and perverse sheaves on the Nilpotent cone.
Amber Russell*, Louisiana State University
(107522156) 
5:00 p.m.
Lie orbifold algebras and graded Hecke algebras.
Anne V. Shepler*, Mathematics Department, University of North Texas, Texas
Sarah Witherspoon, Department of Mathematics, Texas A&M University, Texas
(107516222) 
5:30 p.m.
On the local Langlands correspondence of DeBacker/Reeder for unramified U(3).
Moshe Adrian*, University of Utah
(107522120) 
6:00 p.m.
A new twist in the Lpacket tale.
Stephen DeBacker*, University of Michigan
Loren Spice, Texas Christian University
(107522248)

3:00 p.m.

Saturday October 22, 2011, 3:00 p.m.4:50 p.m.
Special Session on Understanding Biofluids via Modeling, Simulation and Analysis, II
Room 333, JWB John Widtsoe Building
Organizers:
Christel Hohenegger, University of Utah choheneg@math.utah.edu

3:00 p.m.
A multiscale model of electrical activity in cardiac tissue.
Joyce T. Lin*, University of Utah
James P. Keener, University of Utah
(107592166) 
3:30 p.m.
Nonlinear signatures of entangled polymer solutions in active microbead rheology.
Paula Andrea Vasquez*, University of North Carolina at Chapel Hill
M Gregory Forest, University of North Carolina at Chapel Hill
Jeremy Cribb, University of North Carolina at Chapel Hill
Richard Superfine, University of North Carolina at Chapel Hill
(107592165) 
4:00 p.m.
Ringwaves as a mass transport mechanism in airdriven coreannular flow.
H. Reed Ogrosky*, University of North Carolina
Roberto Camassa, University of North Carolina
M. Gregory Forest, University of North Carolina
Long Lee, University of Wyoming
John Mellnik, University of North Carolina
Jeffrey Olander, University of North Carolina
(107576237) 
4:30 p.m.
Entrapment phenomena of buoyant fluids passing through sharply stratified density transitions.
Roberto Camassa, University of North Carolina, Mathematics
Claudia Falcon, University of North Carolina, Mathematics
Zhi Lin, Institute of Mathematics and its Applications, University of Minnesota
Richard McLaughlin, University of North Carolina, Mathematics
Keith Mertens*, University of North Carolina, Mathematics
David Nenon, University of North Carolina, Mathematics
Casey Smith, University of North Carolina, Mathematics
Bailey Watson, University of North Carolina, Mathematics
Brian White, University of North Carolina, Marine Sciences
(107576236)

3:00 p.m.

Saturday October 22, 2011, 3:00 p.m.5:55 p.m.
Session for Contributed Papers
Room 308, JWB John Widtsoe Building
Chairs:
Violeta Vasilevska, Utah Valley University

3:00 p.m.
Some problems of unique continuation arising in the study of geometric evolution equations.
Brett Kotschwar*, Arizona State University
(10755330) 
3:15 p.m.
ErdosMordell inequality in the Minkowski plane.
Mostafa Ghandehari*, University of Texas at Arlington
(10755219) 
3:30 p.m.
Automorphisms of simple Lie algebras G(n) over GF(2).
Young Jo Kwak*, Colorado
(107517159) 
3:45 p.m.
Comparison of dualizing complexes.
Changlong Zhong*, University of Southern California
(10751407) 
4:00 p.m.
$\ast$Lie ideals and generalized derivations on prime rings.
Radwan M Alomary*, AMU, aligarh, India
(10751305) 
4:15 p.m.
Shape $m_{simpl}$ fibrators among products of Hopfian manifolds.
Violeta Vasilevska*, Utah Valley University
(107557239) 
4:30 p.m.
On the BVNorm convergence of a piecewise linear projection method for Markov operators.
J. Ding*, University of Southern Mississippi
N. Rhee, University of Missouri atKansas City
(10756506) 
4:45 p.m.
Enumerating strata in an enhanced quiver variety.
Benjamin F Jones*, University of WisconsinStout
(107520196) 
5:00 p.m.
Approximate solution for groundwater flows.
Aleksey S Telyakovskiy*, University of Nevada, Reno
(107576233) 
5:15 p.m.
Building a safe cryptographic code.
Lavinia Corina Ciungu*, University of Central Oklahoma
(107594249) 
5:30 p.m.
Password security.
Cori Bryant*, University of Central Oklahoma
Lavinia Ciungu, University of Central Oklahoma
(107594250) 
5:45 p.m.
Simultaneous binary collisions for the collinear fourbody problem.
Tiancheng Ouyang*, Department of Mathematics, Brigham Young University, Provo, Utah 84602, USA
Duokui Yan, School of Mathematics and System Sciences , Beihong University, Beijing, China
(107537251)

3:00 p.m.
Sunday October 23, 2011

Sunday October 23, 2011, 7:30 a.m.12:00 p.m.
Book Sale and Exhibit
Room 228, JWB John Widtsoe Building 
Sunday October 23, 2011, 7:30 a.m.12:00 p.m.
Meeting Registration
Mathematics Department Office Room 233, JWB John Widtsoe Building 
Sunday October 23, 2011, 8:00 a.m.10:20 a.m.
Special Session on Applied Analysis, III
Room 310, JTB James Talmage Building
Organizers:
Marian Bocea, Loyola University Chicago mbocea@luc.edu
Mihai Mihailescu, University of Craiova Romania mmihailes@yahoo.com

8:00 a.m.
A CaffarelliKohnNirenberg inequality in OrliczSobolev spaces and applications.
Marian Bocea*, Loyola University Chicago
(107535244) 
8:30 a.m.
A variational approximation scheme for radial polyconvex elasticity that excludes interpenetration of matter.
Alexey Miroshnikov*, University of Maryland, College Park, Department of Mathematics
Athanasios Tzavaras, University of Crete, Department of Applied Mathematics
(10757413) 
9:00 a.m.
A maximum principle connected with eigenvalue problems involving variable exponents.
Mihai Mihailescu*, University of Craiova
(107535152) 
9:30 a.m.
A variational characterization of the effective yield set for ionic polycrystals.
Farhod Abdullayev*, North Dakota State University
(107549157) 
10:00 a.m.
Exploring submoment sequences and solutions to submoment problems.
Saroj Aryal*, University of Wyoming, Laramie, WY 82072
Farhad Jafari, University of Wyoming, Laramie, WY 82072
(10754615)

8:00 a.m.

Sunday October 23, 2011, 8:00 a.m.10:50 a.m.
Special Session on Category Theory in Graphs, Geometry and Inverse Problems, III
Room 310, AEB Alfred Emery Building
Organizers:
Robert Owczarek, Enfitec, Inc. owczarek@hughes.net
Hanna Makaruk, Los Alamos National Laboratory NM

8:00 a.m.
Computability theoretic complexity of isomorphisms of countable structures.
Valentina Harizanov*, George Washington University
(107503153) 
8:30 a.m.
Complete Coverage Probability Via Homology.
Rafal Komendarczyk, Tulane University
Jeff Pullen*, Tulane University
(107555110) 
9:00 a.m.
Third Power Association In Finite semifields.
G. P. Wene*, Department of Mathematics, The University of Texas at San Antonio, One UTSA Circle,San Antonio, Texas 782490624
(107517245) 
9:30 a.m.
Graphs and nonassociative algebra.
Liudmila Sabinina*, Universidad Autonoma del Estado de Morelos, Mexico
(107520181) 
10:00 a.m.
Generalized Bruck loops related to nongyrocommutative gyrogroups and generalized symmetric spaces as the underlying geometry.
Larissa Sbitneva*, Universidad Autonoma del Estado de Morelos
(107508189) 
10:30 a.m.
The spinor structure of the Apollonian disk packing.
Jerzy Kocik*, Department of Mathematics, Southern Illinois University at Carbondale
(107551200)

8:00 a.m.

Sunday October 23, 2011, 8:00 a.m.10:40 a.m.
Special Session on Celestial and Geometric Mechanics, III
Room 208, JWB John Widtsoe Building
Organizers:
Lennard Bakker, Brigham Young University bakker@math.byu.edu
Tiancheng Ouyang, Brigham Young University

8:00 a.m.
A Simple Existence Proof of the Schubart Periodic Orbit with Arbitrary Masses.
Duokui Yan*, Beihang University, Beijing, China
(107537208) 
9:00 a.m.
Reinterpretation of regularization of collisions through real algebraic geometry.
Lennard F Bakker*, Brigham Young University
(107570174) 
10:00 a.m.
Relative equilibria in the four vortex problem with two pairs of equal vorticities.
Manuele Santoprete*, Wilfrid Laurier University
Marshall Hampton, University of Minnesota, Duluth
Gareth Roberts, College of the Holy Cross
(10757028)

8:00 a.m.

Sunday October 23, 2011, 8:00 a.m.10:50 a.m.
Special Session on Commutative Algebra, III
Room 320, AEB Alfred Emery Building
Organizers:
ChinYi Jean Chan, Central Michigan University chan1cj@cmich.edu
Lance E. Miller, University of Utah lmiller@math.utah.edu
Anurag K. Singh, University of Utah singh@math.utah.edu

8:00 a.m.
A generalization of Lyubeznik numbers.
Luis NúñezBetancourt, University of Michigan
Emily E. Witt*, University of Minnesota
(107513230) 
8:30 a.m.
Valuation semigroups of two dimensional local rings.
Vinh An Pham*, University of MissouriColumbia
Steven Dale Cutkosky, University of MissouriColumbia
(107513168) 
9:00 a.m.
Minimal primes of ideals arising from conditional independence statements.
Amelia Taylor*, Colorado College
Irena Swanson, Reed College
(107513113) 
9:30 a.m.
2 x 2 permanental ideals of hypermatrices.
Julia Porcino, University of Oregon, Eugene, Oregon
Irena Swanson*, Reed College, Portland, Oregon
(107513112) 
10:00 a.m.
On $F$purity at the $F$pure threshold.
Daniel J Hernández*, University of Minnesota
(107513235) 
10:30 a.m.
Minimal reductions and balanced ideals.
Louiza Fouli*, New Mexico State University
(107513147)

8:00 a.m.

Sunday October 23, 2011, 8:00 a.m.10:50 a.m.
Special Session on Computational and Algorithmic Algebraic Geometry, III
Room 340, AEB Alfred Emery Building
Organizers:
Zach Teitler, Boise State University zteitler@boisestate.edu
Jim Wolper, Idaho State University wolpjame@isu.edu

8:00 a.m.
Tensor complexes.
Christine Berkesch*, Duke University
Daniel Erman, University of Michigan
Manoj Kummini, Chennai Mathematical Institute
Steven V Sam, Massachusetts Institute of Technology
(10751345) 
8:30 a.m.
Toward a salmon conjecture.
Luke Oeding*, University of California, Berkeley
Daniel J Bates, Colorado State Univesity
(10751495) 
9:00 a.m.
New examples of defective secant varieties of SegreVeronese varieties.
Hirotachi Abo*, University of Idaho
Maria Chiara Brambilla, UniversitÃ Politecnica delle Marche
(10751475) 
9:30 a.m.
Strong nonnegativity and sums of squares.
Mohamed Omar*, UC Davis & Caltech
Brian Osserman, UC Davis
(107514202) 
10:00 a.m.
Constructing Markov bases for hypergraphs.
Sonja Petrovic*, The Pennsylvania State University
(107513217) 
10:30 a.m.
Computing integral asymptotics using toric blowups of ideals.
Shaowei Lin*, University of California, Berkeley
(107514234)

8:00 a.m.

Sunday October 23, 2011, 8:00 a.m.10:40 a.m.
Special Session on Electromagnetic Wave Propagation in Complex and Random Environments, II
Room 140, JTB James Talmage Building
Organizers:
David Dobson, University of Utah
Peijun Li, Purdue University lipeijun@math.purdue.edu

8:00 a.m.
Matrix Pade approximants of the spectral function of composites.
Elena Cherkaev*, University of Utah, Department of Mathematics
(107565231) 
8:30 a.m.
A coupled BEM and FEM for the interior transmission problem.
George Hsiao, University of Delaware
Fengshan Liu, Delaware State University
Jiguang Sun*, Delaware State University
Liwei Xu, Rensselaer Polytechnic Institute
(10756581) 
9:00 a.m.
Active exterior cloaking for the Helmholtz equation.
Fernando Guevara Vasquez*, Mathematics Department, University of Utah
Graeme W. Milton, Mathematics Department, University of Utah
Daniel Onofrei, Mathematics Department, University of Houston
(10753576) 
9:30 a.m.
On hpadaptive finite element methods for timeharmonic Maxwell's equations.
X. Jiang, Academy of Mathematics and Systems Science, Chinese Academy of Sciences
L. Zhang, Academy of Mathematics and Systems Science, Chinese Academy of Sciences
W. Zheng*, Academy of Mathematics and Systems Science, Chinese Academy of Sciences
(10756583) 
10:00 a.m.
Sea ice and the climate system.
Kenneth M. Golden*, University of Utah, Department of Mathematics
(107586213)

8:00 a.m.

Sunday October 23, 2011, 8:00 a.m.10:40 a.m.
Special Session on Geometric Evolution Equations and Related Topics, III
Room 215, LCB LeRoy Cowles Building
Organizers:
Andrejs Treibergs, University of Utah Salt Lake City treiberg@math.utah.edu
Lei Ni, University of California San Diego lni@mathl.ucsd.edu
Brett Kotschwar, Arizona State University kotschwar@math.mit.edu

8:00 a.m.
A fully nonlinear flow equation on the sphere and AlexandrovFenchel inequalities.
Pengfei Guan, McGill University
Junfang Li*, University of Alabama at Birmingham
(107535163) 
9:00 a.m.
Gradient Ricci solitons.
Ovidiu Munteanu*, Columbia University
(10755325) 
10:00 a.m.
Flows to find (approximate) Riemann mappings.
David Alan Glickenstein*, University of Arizona
(10755162)

8:00 a.m.

Sunday October 23, 2011, 8:00 a.m.10:50 a.m.
Special Session on Geometric, Combinatorial, and Computational Group Theory, II
Room 350, AEB Alfred Emery Building
Organizers:
Eric Freden, Southern Utah University freden@suu.edu
Eric Swenson, Brigham Young University

8:00 a.m.
The fundamental group at infinity.
Ross Geoghegan*, Binghamton University (SUNY Binghamton)
(107520223) 
8:30 a.m.
A decade of using noncommutative groups in cryptography.
Delaram Kahrobaei*, City University of New York, CUNY Graduate Center and City Tech
(10752085) 
9:00 a.m.
Some open questions on fundamental groups of lowdimensional wild spaces.
Gregory R Conner*, Brigham Young University Department of Mathematics
(107555214) 
9:30 a.m.
Schreier graphs and Schreier dynamical system of the action of Thompson's group $F$ on the Cantor set.
Dmytro M Savchuk*, Binghamton University
(107520212) 
10:00 a.m.
On hyperbolic surface subgroups in rightangled Artin groups.
Robert W Bell*, Michigan State University
(107520162) 
10:30 a.m.
Conjectural normal form for elements of Coxeter groups.
Tom Edgar*, Pacific Lutheran University
(10752091)

8:00 a.m.

Sunday October 23, 2011, 8:00 a.m.10:40 a.m.
Special Session on Harmonic Analysis and Dispersive Partial Differential Equations, III
Room 320, JTB James Talmage Building
Organizers:
Xiaoyi Zhang, University of Iowa xiaozhang@math.uiowa.edu
Monica Visan, University of California Los Angeles
Betsy Stovall, University of California Los Angeles

8:00 a.m.
Variations on the CarlesonHunt theorem.
Richard L Oberlin*, Louisiana State University
(107542135) 
9:00 a.m.
A variable coefficient Wolff circular maximal function.
Joshua Zahl*, UCLA
(10754250) 
10:00 a.m.
Fractional Poincare and logarithmic Sobolev inequalities for measure spaces.
Philip T Gressman*, University of Pennsylvania
(10752843)

8:00 a.m.

Sunday October 23, 2011, 8:00 a.m.10:40 a.m.
Special Session on Hypergeometric Functions and Differential Equations, III
Room 323, LCB LeRoy Cowles Building
Organizers:
Laura F. Matusevich, Texas A&M University laura@math.tamu.edu
Christine Berkesch, Stockholm University cberkesc@math.su.se

8:00 a.m.
Discussion 
9:00 a.m.
Discriminant coamoebas in dimension 2 via homology.
Frank Sottile*, Texas A&M University
Mikael Passare, Stockholms Universitet
(107514201) 
10:00 a.m.
Discriminant Coamoebas.
Mounir Nisse*, Texas A&M University
Maurice Rojas, Texas A&M University
Korben Rusek, Texas A&M University
(10751489)

8:00 a.m.

Sunday October 23, 2011, 8:00 a.m.10:50 a.m.
Special Session on Noncommutative Geometry and Algebra, III
Room 225, LCB LeRoy Cowles Building
Organizers:
Kenneth R. Goodearl, University of California Santa Barbara goodearl@math.ucsb.edu
Milen Yakimov, Louisiana State University yakimov@math.lsu.edu

8:00 a.m.
Derived representation schemes and cyclic homology.
Yuri Berest*, Cornell University
Ajay Ramadoss, ETH, Zurich
(107518221) 
8:30 a.m.
A geometric realization of noncommutative resolutions.
Charlie R. Beil*, Simons Center for Geometry and Physics, Stony Brook University
(107514203) 
9:00 a.m.
Irreducible components of module varieties.
Birge HuisgenZimmermann*, University of California, Santa Barbara
Kenneth R. Goodearl, University of California, Santa Barbara
(10751684) 
9:30 a.m.
Nonsplit module extensions over the algebra of onesided inverse of $k[x]$.
Linhong Wang*, Southeastern Louisiana University
(10751664) 
10:00 a.m.
Skein algebras of marked surfaces.
Gregory P Muller*, Louisiana State University
(107516187) 
10:30 a.m.
$\mathbb{Z}$graded simple algebras.
Daniel Rogalski*, UCSD
Jason Bell, Simon Fraser University
(107516171)

8:00 a.m.

Sunday October 23, 2011, 8:00 a.m.10:50 a.m.
Special Session on Reductive Groups and Hecke Algebras, III
Room 219, LCB LeRoy Cowles Building
Organizers:
Dan Ciubotaru, University of Utah ciubo@math.utah.edu
Cathy Kriloff, Idaho State University krilcath@isu.edu
Peter Trapa, University of Utah ptrapa@math.utah.edu

8:00 a.m.
Unitary Principal Series of $SO(n+1,n)$.
Annegret Paul*, Western Michigan University
(107522215) 
8:30 a.m.
Geometry and unitarity.
Dragan Milicic*, Department of Mathematics, University of Utah
(107522226) 
9:00 a.m.
Representations of the degenerate affine HeckeClifford superalgebra.
David Hill, University of Virginia
Jonathan Kujawa*, University of Oklahoma
Joshua Sussan, Max Planck Institute for Mathematics
(107516115) 
9:30 a.m.
Graded Hecke algebras and reflection length versus codimension.
Briana FosterGreenwood*, University of North Texas
(107505164) 
10:00 a.m.
Lefschetz functors for the metaplectic group.
B Trahan*, University of Utah
(107522160) 
10:30 a.m.
Unipotent representations for Sp(p,q) and O*(n).
Dan Barbasch*, Department of Mathematics, Cornell University
Peter Trapa, Department of Mathematics, University of Utah
(10752232)

8:00 a.m.

Sunday October 23, 2011, 9:00 a.m.10:40 a.m.
Special Session on Algebraic Geometry, III
Room 121, LCB LeRoy Cowles Building
Organizers:
Tommaso de Fernex, University of Utah defernex@math.utah.edu
Christopher Hacon, University of Utah hacon@math.utah.edu

9:00 a.m.
Finiteness of K3 surfaces and the Tate conjecture.
Max Lieblich*, University of Washington
Davesh Maulik, Columbia University
Andrew Snowden, MIT
(10751436) 
10:00 a.m.
Jacobian discrepancies and rational singularities.
Tommaso de Fernex, University of Utah
Roi Docampo*, University of Utah
(10751490)

9:00 a.m.

Sunday October 23, 2011, 9:00 a.m.10:50 a.m.
Special Session on Nonlinear Waves, III
Room 110, JTB James Talmage Building
Organizers:
ZhiQiang Wang, Utah State University ZhiQiang.Wang@usu.edu
Nghiem Nguyen, Utah State University nghiem.nguyen@usu.edu

9:00 a.m.
A dualPetrovGalerkin method for extended fifthorder Kortewegde Vries type equations.
Netra P Khanal*, The University of Tampa
(10753596) 
9:30 a.m.
Small solutions of nonlinear Schrödinger equations near first excited states.
Kenji Nakanishi, Kyoto Univeristy
Tuoc Van Phan*, UNIVERISTY OF TENNESSEE
TaiPeng Tsai, UNIVERSITY OF BRITISH COLUMBIA
(10753542) 
10:00 a.m.
Multiple Solitary Wave Solutions of Nonlinear Schrödinger Systems.
Rushun Tian*, Utah State University
ZhiQiang Wang, Utah State University
(107535125) 
10:30 a.m.
Orbital stability of solitary waves of a 3coupled nonlinear Schrödinger system.
Nghiem V. Nguyen*, Utah State University
ZhiQiang Wang, Utah State University
(10753568)

9:00 a.m.

Sunday October 23, 2011, 11:10 a.m.12:00 p.m.
Invited Address
The future of combinatorial bijections.
Room 335, JWB John Widtsoe Building
Igor Pak*, University of California Los Angeles
(10750503) 
Sunday October 23, 2011, 2:00 p.m.2:50 p.m.
Invited Address
Gap theorems on Kähler manifolds.
Room 335, JWB John Widtsoe Building
Lei Ni*, University of California San Diego
(10755304) 
Sunday October 23, 2011, 3:00 p.m.5:20 p.m.
Special Session on Category Theory in Graphs, Geometry and Inverse Problems, IV
Room 310, AEB Alfred Emery Building
Organizers:
Robert Owczarek, Enfitec, Inc. owczarek@hughes.net
Hanna Makaruk, Los Alamos National Laboratory NM

3:00 p.m.
Category theory for inferring the shape of a light source from an optimized model of its shadow.
Brian G Stafford*, Los Alamos National Laboratory, Los Alamos,NM
(107568218) 
3:30 p.m.
Turning Bayesian model averaging into Bayesian model combination.
James L Carroll*, LANL
(107560101) 
4:00 p.m.
Reconstructing tilted, axissymmetric objects from radiographs.
Thomas A Beery*, Los Alamos National Laboratory
(107562104) 
4:30 p.m.
Generalization of inverse Abel transform for shifted reconstruction axis.
Hanna E Makaruk*, Los Alamos National Laboratory, Los Alamos, NM
Robert M. Owczarek, Enfitek Inc.
(10756818) 
5:00 p.m.
Discussion

3:00 p.m.

Sunday October 23, 2011, 3:00 p.m.5:40 p.m.
Special Session on Celestial and Geometric Mechanics, IV
Room 208, JWB John Widtsoe Building
Organizers:
Lennard Bakker, Brigham Young University bakker@math.byu.edu
Tiancheng Ouyang, Brigham Young University

3:00 p.m.
Symmetric mechanical systems with configuration space isotropy.
Cristina Stoica*, Wlifrid Laurier University, Canada
(107570192) 
4:00 p.m.
Simultaneous binary collisions for the collinear fourbody problem.
Tiancheng Ouyang*, Department of Mathematics, Brigham Young University, Provo, Utah 84602, USA
Duokui Yan, School of Mathematics and System Sciences , Beihong University, Beijing, China
(107537185) 
5:00 p.m.
Discussion

3:00 p.m.

Sunday October 23, 2011, 3:00 p.m.5:50 p.m.
Special Session on Commutative Algebra, IV
Room 320, AEB Alfred Emery Building
Organizers:
ChinYi Jean Chan, Central Michigan University chan1cj@cmich.edu
Lance E. Miller, University of Utah lmiller@math.utah.edu
Anurag K. Singh, University of Utah singh@math.utah.edu

3:00 p.m.
Normal NonCohenMacaulay Rings.
Paul C Roberts*, University of Utah
(10751356) 
3:30 p.m.
Graded $F$modules and local cohomology.
Yi Zhang*, University of Minnesota
(107513167) 
4:00 p.m.
Target elements and test ideals.
Mel Hochster, University of Michigan
Wenliang Zhang*, University of Michigan
(107513194) 
4:30 p.m.
Test ideals via a single alteration and discreteness and rationality of $F$jumping numbers.
Karl Schwede, The Pennsylvania State University
Kevin Tucker*, Princeton University
Wenliang Zhang, University of Michigan
(107513186) 
5:00 p.m.
Cartier modules on toric varieties.
JenChieh Hsiao, Purdue University
Karl Schwede*, The Pennsylvania State University
Wenliang Zhang, University of Michigan
(10751341) 
5:30 p.m.
Expected dimension versus actual dimension.
Sandra Spiroff*, University of Mississippi
(107513176)

3:00 p.m.

Sunday October 23, 2011, 3:00 p.m.4:50 p.m.
Special Session on Computational and Algorithmic Algebraic Geometry, IV
Room 340, AEB Alfred Emery Building
Organizers:
Zach Teitler, Boise State University zteitler@boisestate.edu
Jim Wolper, Idaho State University wolpjame@isu.edu

3:00 p.m.
Certifying solutions to systems of polynomialexponential equations.
Jonathan D Hauenstein*, Texas A&M University
Viktor Levandovskyy, RWTH Aachen University
(10756567) 
3:30 p.m.
Some computational problems using Riemann Theta functions in sage.
Chris Swierczewski*, University of Washington, Department of Applied Mathematics
(107514198) 
4:00 p.m.
A numericalsymbolic algorithm for computing the geometric genus of a curve.
Dan Bates*, Colorado State University
Chris Peterson, Colorado State University
Andrew Sommese, University of Notre Dame
Charles Wampler, General Motors Research and Development
(107514134) 
4:30 p.m.
Chern numbers of algebraic varieties.
Dan Bates, Department of Mathematics, Colorado State University
David Eklund, Dept of Mathematics, KTH, Stockholm, Sweden
Chris Peterson*, Dept of Mathematics, Colorado State University, Fort Collins, Colorado
(107514184)

3:00 p.m.

Sunday October 23, 2011, 3:00 p.m.5:40 p.m.
Special Session on Geometric Evolution Equations and Related Topics, IV
Room 215, LCB LeRoy Cowles Building
Organizers:
Andrejs Treibergs, University of Utah Salt Lake City treiberg@math.utah.edu
Lei Ni, University of California San Diego lni@mathl.ucsd.edu
Brett Kotschwar, Arizona State University kotschwar@math.mit.edu

3:00 p.m.
Anisotropic Surface Energy.
Bennett Palmer*, Idaho State University
(10755380) 
4:00 p.m.
On potential function of gradient steady Ricci solitons.
Peng Wu*, University of California, Santa Barbara.
(10755324) 
5:00 p.m.
The Dirichlet problem for the curve shortening flow in convex domains.
Paul T. Allen*, Lewis & Clark College
K Tsukahara, Lewis & Clark College
A Layne, University of Oregon
(10755314)

3:00 p.m.

Sunday October 23, 2011, 3:00 p.m.5:40 p.m.
Special Session on Harmonic Analysis and Dispersive Partial Differential Equations, IV
Room 320, JTB James Talmage Building
Organizers:
Xiaoyi Zhang, University of Iowa xiaozhang@math.uiowa.edu
Monica Visan, University of California Los Angeles
Betsy Stovall, University of California Los Angeles

3:00 p.m.
A quantitative Frobenius theorem.
Brian T Street*, University of WisconsinMadison
(10755166) 
4:00 p.m.
On finite time blowup solutions to certain nonlinear KleinGordon equations.
Rowan Killip, UCLA
Betsy Stovall*, UCLA
Monica Visan, UCLA
(107535179) 
5:00 p.m.
Conditional global regularity of Schrödinger maps: subthreshold dispersed energy.
Paul Smith*, UC Berkeley
(107535182)

3:00 p.m.
Inquiries: meet@ams.org